B2438

DTC B2436, B2438, B2439 [TWO-STEP DEPLOYMENT CONTROL SYSTEM]

System Malfunction Location





Detection Condition

WARNING:
- Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.

- Malfunction in passenger-side buckle switch circuit.

Possible Causes

- Passenger-side buckle switch connector malfunction
- Open or short circuit or short to ground or short to power supply in wiring harness between passenger-side buckle switch and SAS control module.
- Passenger-side buckle switch malfunction
- SAS control module malfunction

System Wiring Diagram





Diagnostic Procedure